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Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas would he need to drive 243 miles
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3 votes
3 votes
Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas would he need to drive 243 miles

Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas-example-1
User KKSINGLA
by
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2 Answers

13 votes
13 votes

Answer:

12

Explanation:

405:20

81:4

243:12

User Alok Mishra
by
2.4k points
10 votes
10 votes


\begin{array}{ccll} miles&gallons\\ \cline{1-2} 405&20\\ 243&g \end{array}\implies \cfrac{405}{243}=\cfrac{20}{g}\implies \cfrac{5}{3}=\cfrac{20}{g}\implies 5g=60 \\\\\\ g = \cfrac{60}{5}\implies g = 12

User Maly
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